411 CDUS41 KLWX 300537 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 137 AM EDT SUN AUG 30 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 86 4:41 PM 98 1991 85 1 83 MINIMUM 72 6:45 AM 38 1982 62 10 56 AVERAGE 79 74 5 70 PRECIPITATION (IN) YESTERDAY 0.20 1.17 1963 0.10 0.10 0.00 MONTH TO DATE 7.09 3.32 3.77 4.79 SINCE JUN 1 17.15 10.97 6.18 9.96 SINCE JAN 1 33.67 27.79 5.88 29.84 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 T SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 5 15 -10 9 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 14 9 5 5 MONTH TO DATE 389 305 84 339 SINCE JUN 1 1163 905 258 1039 SINCE JAN 1 1240 997 243 1218 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 6.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 10:00 AM LOWEST 58 7:00 PM AVERAGE 78 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 99 1991 MINIMUM TEMPERATURE (F) 62 41 1986 SUNRISE AND SUNSET AUGUST 30 2020........SUNRISE 6:37 AM EDT SUNSET 7:42 PM EDT AUGUST 31 2020........SUNRISE 6:38 AM EDT SUNSET 7:41 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$